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Configuration Handbook - Kamami.pl

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Altera Enhanced <strong>Configuration</strong> DevicesFigure 3–2. Daisy Chaining Two SRAM-Based Devices to One DATA LineDesign GuidelinesFor debugging, Altera recommends keeping the control lines such asnSTATUS, nCONFIG, and CONF_DONE between each PLD and theconfiguration device separate. You can keep control lines separate byusing a switch to manage which control signals are fed back into theenhanced configuration device. Figure 3–3 shows an exam<strong>pl</strong>e of theconnections between the enhanced configuration device and the targetedPLDs.Altera Corporation 3–5April 2007 <strong>Configuration</strong> <strong>Handbook</strong>, Volume 2

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